Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Why is a river so rich ?

I purchased an awesome ice cream cone having 5 different flavour scoops.
Five flavours are pistachio, mint-chip, strawberry, marshmallow, and raspberry

I will give u some clues so that you can figure out the order of flavours from bottom to top.
1. The bottom flavour of the cone has 10 letters.
2. The marshmallow scoop is between the pistachio and the mint-chip scoop.
3. marshmallow is the raspberry scoop but below the mint-chip scoop.

So can you figure out the flavour of ice cream in order from bottom to top?

A man dies of old age on his 25 birthday. How is this possible?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

How many bananas can you eat if your stomach is empty?

Before Mount Everest was discovered, what was the highest mountain in the world?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?